Science

Friday, 13 November 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Amber
It is made up of about 78% carbon, 10% hydrogen, and 11% oxygen.
Nicotine
Research shows that nicotine (cigarette smoking) may protect against the early stages of Alzheimer's disease.
Under the influence of nicotine, patients become aroused, have better memory and greater motor skill ...
Earth
The first man to leave his home planet was Yuri Gagarin.
A two-hour flight by a Soviet astronaut outside the Earth's atmosphere took place in 1961.
Silver
Pure high-quality silver contains at least 99.9 percent of this metal.
Purity levels above 99.999 percent can also be found.
Mushrooms
Fungi (Fungi) form next to animals (Animalia) and plants (Plantae) a distinct, great realm of eukaryotic living organisms.
They are found in all climatic zones, mainly on land, but also in waters, both salty and fresh. The ...
Snow
Snow crystals were first photographed in 1879.
This was done by German lawyer, astronomer, naturalist, and nature photographer Johann Heinrich Ludw ...
Amber
Heated amber emits a pine-tree fragrance.
Earth
There are over 7.8 billion people in the world.
It took humanity over 2 million years to reach a population of one billion. In 2011, there were 7 bi ...
Liver
It is the body’s largest glandular organ.
It weights approximately 1,600 grams in males and 1,400 grams in females.
Earth
Due to the Earth's rotation, the diameter of the equator is 43 km larger than the polar diameter.
The Earth is therefore a slightly flattened ball - this shape is called a geoid.